Senior Mechanical Facilities Engineer

Merrick & Company’s High Performance Facilities team delivers high-performance solutions for government and national defense facilities. The Senior Mechanical Facilities Engineer will independently design and coordinate HVAC and plumbing systems, oversee technical deliverables, perform quality reviews, support proposals, and interface with government clients while mentoring junior staff.

Responsibilities:

• Develop and coordinate HVAC and plumbing system design, including engineering calculations, system layout, equipment selection, HVAC controls, and development of coordinated construction documents
• Support development and technical oversight of Division 22 and 23 specifications, ensuring alignment with UFC, UFGS, and applicable codes and standards including ICC, IMC, IPC, ASHRAE, and NFPA
• Perform QA/QC reviews of mechanical designs, ensuring technical accuracy, code compliance, and alignment with project requirements
• Support proposal development, including defining mechanical scope and developing fee and design schedule estimates
• Interface directly with Federal, State, and Local government clients, including participation in design reviews, value engineering studies, charrettes, and technical discussions

Requirements:

• • Bachelor of Science in Mechanical Engineering from an ABET-accredited program
• • Minimum twelve (12) years of experience in HVAC and plumbing system design
• • Professional Engineer (PE) license required
• • Client projects for this position require U.S. Citizenship
• • Demonstrated experience designing HVAC and plumbing systems for commercial, institutional, or federal facilities
• • Experience in performing engineering calculations and equipment selection for air systems, hydronic systems, and building water systems
• • Experience developing coordinated construction documents (plans, details, schedules)
• • Experience developing and coordinating Division 22 and 23 specifications
• • Working knowledge of applicable codes and standards including IMC, IPC, IBC, ASHRAE, SMACNA, and NFPA
• • Familiarity with DoD design criteria (UFC, UFGS)
• • Experience with HVAC load calculation software (e.g., Trane TRACE or equivalent)
• • Proficient in Revit for MEP coordination; familiarity with AutoCAD
• • Experience supporting federal or DoD projects (e.g., USACE, AFCEC, NAVFAC)
• • Experience supporting construction administration (submittals, RFIs, site visits)
• • Familiarity with Life Cycle Cost Analysis (LCCA) and energy modeling (ASHRAE 90.1)
• • LEED, Green Globes, or other sustainability accreditation
• • Current passport